Introduction: Ocular symptoms are uncommon manifestations of coronavirus disease 2019 (COVID-19) infection. Earlier study reported that dry eye, blurred vision, foreign body sensation, tearing, itching, conjunctival secretion, conjunctival congestion, ocular pain, and photophobia are among the ocular symptoms that could be found in COVID-19 patients. However, there are only a few reports available regarding corneal involvement in this disease. Here we report a case of keratoconjunctivitis as the only symptom of COVID-19 infection. Case description: A 27-year-old man who worked as an obstetrics and gynecology resident came to the outpatient clinic with the chief complaints of eye discomfort, foreign body sensation, conjunctival hyperemia, lacrimation, and photophobia in his right eye for the past 3 weeks. Fluorescence test showed a small corneal lesion. The patient was then diagnosed with keratoconjunctivitis. A week after the treatment, all symptoms were resolved. A month later, the patient came to the emergency room with the same eye complaints but with a more severe pain. The fluorescence test showed wider corneal lesion compared to last month. The result from the corneal swab is negative for bacterial or fungal infection, indicating a viral infection. Afterwards, reverse transcriptase polymerase chain reaction test from nasopharyngeal swab was performed and revealed that the patient was positive for COVID-19. Conclusions: This case report showed that keratoconjunctivitis may occur as the only manifestation of COVID-19 infection. Thus, patient presented with unexplainable eye symptoms should be evaluated for COVID-19 infection.

BACKGROUND: Pterygium is an ocular surface disease that often occurs in tropical countries with a high recurrence rate. Matrix metalloproteinase-3 (MMP-3) play a key role in the inflammatory process of pterygium. This study aims to investigate the ability of curcumin and fibrin glue (FG) in suppressing the expression of MMP-3, and whether can be expected as adjuvant therapy to reduce pterygium recurrence.METHODS: Human pterygium fibroblasts (HPF) obtained from primary cultured of pterygium were treated with no treatment, curcumin, mitomycin-C (MMC), and FG. MMP-3 expression was analyzed using immunocytochemistry and the intensity measurement was done using ImageJ software. Cell migration was measured by scratching and stratification of fibroblast culture after cell confluence, and assessed for 48 hours.RESULTS: The expression of MMP-3 were lower in the HPF treated with 100 mol/mL curcumin, 200 mol/mL, and FG (2205.84±86.1 pg/mL, 1002.51±25.22 pg/mL, 1131.55±17.71 pg/mL, respectively) in comparison with untreated HPF (4703.49±108.9 pg/mL). The expression of MMP-3 were significantly different between groups (p<0.001). Cell migration of HPF after scratching with curcumin intervention at 200 mol/mL decrease from 178.67±2.85 (24 hours) to 88.83±1.48 (48 hours). Meanwhile the migration in FG group also decrease from 180.4±2.56 (24 hours) to 72.45±1.25 (48 hours).CONCLUSION: Curcumin and FG able to reduce the expression of MMP-3 and inhibit the migration of HPF cells.KEYWORDS: curcumin, mitomycin C, fibrin glue, human pterygium fibroblast, MMP-3

Myopia as an abnormal eye condition that gives blurry vision due to the image lies in front of the retina. It becomes an epidemic case in the world as the prevalence keeps increasing over time. Experimental studies using animals are useful to understand the establishment of myopia so that it can be used for further study in preventing myopia. Form deprivation myopia (FDM) is one of the most common methods to make a myopic condition in the eye of the animal model with many parameters to measure, hence the purpose of this article is to review the form deprivation myopia effect in the sclera layer of the animal model's eye.

Introduction: Retinopathy of prematurity is a potentially blinding disease of the eye due to abnormal retinal vascularization. Gestational age, preterm birth, oxygen therapy, and RBC transfusion are some of the factors associated with ROP. Purpose: This study aims to determine the relation between gestational age, birth weight, duration of oxygen therapy, and RBC transfusion with ROP. Methods: This research is a case-control study using medical records data from Dr. Soetomo General Hospital in the period of January -June 2019. Data is analyzed using logistic regression analysis in SPSS v. 25. Results: The case group consists of 22 patients with ROP while the control group consists of 66 patients without ROP. Gestational age (p=0.030; OR=3.10, 95% CI 1.113-8.606) and duration of oxygen therapy (p=0.012; OR=3.75, 95% CI 1.342-10.481) shows a statistically significant relation with ROP. There is no relation between birth weight (p=0.098; OR= 2.30, 95% CI 0.857-6.171) and RBC transfusion (p=0.881; OR=1.09; 95% CI 0.343-3.480) with ROP. Conclusions: There is a relation between gestational age and duration of oxygen therapy with ROP. Meanwhile, birth weight and RBC transfusion have no relation with ROP.

Background: Hypothermic perfusion can be used as adjunctive therapy to reduce corneal endothelial cell damage during phacoemulsification procedures. This study aims to evaluate the effect of hypothermic perfusion on the expression of Superoxide Dismutase-1 (SOD1) and morphological changes in the corneal endothelium after ultrasound energy of phacoemulsification exposure. Methods: Sixteen New Zealand white rabbits (n=16 eyes) were randomly divided into two groups and exposed to ultrasound energy of phacoemulsification. The control group was administered room temperature (RT) (24°C) Balanced Salt Solution (BSS) intraocular perfusion, and the treatment group was administered hypothermic (4°C) BSS intraocular perfusion. Coefficient of Variation (CV) and hexagonality were measured before and one day after surgery with specular microscopy. The expression of SOD1 was examined by immunohistochemistry staining. Data were analyzed using SPSS version 26 for Windows. Results: The result showed that the SOD1 expression was significantly lower in the hypothermic perfusion group compared with the control group (p=0.024, p<0.05). There were no significant differences between the two groups in CV changes (p=0.494, p>0.05) and hexagonality changes (p=0.916, p>0.05). There was no correlation between the expression of SOD1 and change in CV (p=0.188, p>0.05) or the expression of SOD1 and change in hexagonality (p=0.763, p>0.05). Conclusion: Hypothermic perfusion suppresses all metabolic processes, including the expression of SOD1 and ROS production. The coefficient of variation and hexagonality as a representative of corneal endothelial morphology changes also decrease with hypothermic perfusion after ultrasound exposure but are not statistically significant. There is no correlation between the expression of SOD1 and changes in CV and hexagonality.